We empirically investigate if tournaments between heterogeneous contestants are less intensive. To test our hypotheses we use professional sports data from the TOYOTA Handball-Bundesliga, the major handball league in Germany.[...]

The objective of this paper is the design of computer supported joint actionspaces. It is argued against a view of functionality as residing in computer applications. Insuch a view the creation of functionality is equivalent to the creation of computerapplications. Functionality, in the view...

In this chapter we depict collaborative aspects of tailoring software. We provide a categorization distinguishing between three levels of intensity of user ties regarding tools usage (“shared use”, “shared context”, and “shared tool”) and discuss approaches to support collaborative...